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DD/Turbo/5.3

Old 03-31-2019, 07:31 PM
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Default DD/Turbo/5.3

Guys need help on my build
Current mods
- FBO
- 4.30 Gears / 2 Peace DS
- Built 4L60 / 2800 stall
- 216/226 114 LSA Cam

Next weeks mods=

-Precision Turbo 76mm
- 2 walbro 450 along w/ 90# Injectors
- 4L80 3600 stall
- e85 flex fuel

******Truck will stay as is for DDing leveling kit on 420 Nittos 20x12

** I am trying to run 11s to beat 5.0s 😏



Updated listing.. any suggestions

Last edited by Superman956; 05-07-2019 at 01:09 PM.
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Old 03-31-2019, 07:43 PM
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If you trust the 4L60e build, you could keep it. It's just always going to something to think about because it is weaker than a 4L80e.

I don't see an issue with you cam choice you have now and the stall. You said you aren't looking for a 10sec truck and those parts are already installed in the engine. They will make great power with boost, no question there.

Flex fuel is an easy upgrade if you want to run E85, wiring those sensors in is really simple.

Should make an easy 150+ horsepower on some boost when the right tune it.
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Old 03-31-2019, 08:04 PM
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Down the road I am sure I will go 4L80 with 2800/3200 stall after the trans takes a dump. Would flex fuel really put more HP? I was looking about 9lbs of boost Max.

Originally Posted by FFDP View Post
If you trust the 4L60e build, you could keep it. It's just always going to something to think about because it is weaker than a 4L80e.

I don't see an issue with you cam choice you have now and the stall. You said you aren't looking for a 10sec truck and those parts are already installed in the engine. They will make great power with boost, no question there.

Flex fuel is an easy upgrade if you want to run E85, wiring those sensors in is really simple.

Should make an easy 150+ horsepower on some boost when the right tune it.
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Old 03-31-2019, 08:07 PM
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E85 could allow for more timing and power from the same amount of boost just because it's that much better at cooling and preventing knock.

At that low of boost, it's not a must do thing that's for sure. You just have the option of installing one and running E85 or whatever mix if you wanted too. Flex fuel sensors and a good tune can allow you to run any mix of fuel and it will change everything on the fly for you to get the most out of it.
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Old 03-31-2019, 08:14 PM
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Good to know,
How much boost "safely" you think my tank can run DD
Originally Posted by FFDP View Post
E85 could allow for more timing and power from the same amount of boost just because it's that much better at cooling and preventing knock.

At that low of boost, it's not a must do thing that's for sure. You just have the option of installing one and running E85 or whatever mix if you wanted too. Flex fuel sensors and a good tune can allow you to run any mix of fuel and it will change everything on the fly for you to get the most out of it.
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Old 04-01-2019, 01:40 PM
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Ttt...
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Old 04-09-2019, 03:27 PM
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Flex fuel to run E85 will allow much more torque, thus shortening the life of your 4L60E.

Two primary killers of the 4L60e are heat and rpm (especially staying WOT on the 3-4 shift).
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Old 04-09-2019, 03:50 PM
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If you go 80e, those 4.30s will suck.
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Old 04-10-2019, 04:09 PM
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Originally Posted by Superman956 View Post
Good to know,
How much boost "safely" you think my tank can run DD
Don't think of the bottom end as holding psi of boost. Its a matter of how much power you can make before the ring gap completely closes (IIRC something like 600-650hp).
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Old 04-10-2019, 04:16 PM
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Originally Posted by imma_stocker View Post
Don't think of the bottom end as holding psi of boost. Its a matter of how much power you can make before the ring gap completely closes (IIRC something like 600-650hp).
Very true.

e85 and meth keep the heat in check.

For a DD, 8-10psi and call it a day.
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